2. play a role / part ( in ) 意为“ 在、、、中担任角色；在、、、中起作用”。 Role习惯搭配 take (on) /perform a role 扮演角色，hand out roles 分派任务（角色） a leading/starting role 主角 eg: He filled the role of a manager. The UN plays an important role in international relations. She’s been offered a leading role in a new film.